<?php

/**
 * This is the model class for table "{{user}}".
 *
 * The followings are the available columns in table '{{user}}':
 * @property integer $id
 * @property string $username
 * @property string $password
 * @property string $question
 * @property string $answer
 * @property integer $reg_time
 * @property integer $last_login
 * @property integer $last_time
 * @property string $last_ip
 * @property string $email
 *
 * The followings are the available model relations:
 * @property Project[] $projects
 * @property Project[] $projects1
 * @property Report[] $reports
 * @property Report[] $reports1
 */
class User extends CActiveRecord
{
	/**
	 * Returns the static model of the specified AR class.
	 * @param string $className active record class name.
	 * @return User the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}

	/**
	 * @return string the associated database table name
	 */
	public function tableName()
	{
		return '{{user}}';
	}

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('id', 'required'),
			array('id, reg_time, last_login, last_time', 'numerical', 'integerOnly'=>true),
			array('username', 'length', 'max'=>64),
			array('password', 'length', 'max'=>32),
			array('question, answer', 'length', 'max'=>255),
			array('last_ip', 'length', 'max'=>15),
			array('email', 'length', 'max'=>60),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('id, username, password, question, answer, reg_time, last_login, last_time, last_ip, email', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'projects' => array(self::HAS_MANY, 'Project', 'assessor_id'),
			'projects1' => array(self::HAS_MANY, 'Project', 'user_id'),
			'reports' => array(self::HAS_MANY, 'Report', 'user_id'),
			'reports1' => array(self::HAS_MANY, 'Report', 'assessor_id'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'id' => 'ID',
			'username' => 'User Name',
			'password' => 'Password',
			'question' => 'Question',
			'answer' => 'Answer',
			'reg_time' => 'Reg Time',
			'last_login' => 'Last Login',
			'last_time' => 'Last Time',
			'last_ip' => 'Last Ip',
			'email' => 'Email',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('id',$this->id);
		$criteria->compare('username',$this->username,true);
		$criteria->compare('password',$this->password,true);
		$criteria->compare('question',$this->question,true);
		$criteria->compare('answer',$this->answer,true);
		$criteria->compare('reg_time',$this->reg_time);
		$criteria->compare('last_login',$this->last_login);
		$criteria->compare('last_time',$this->last_time);
		$criteria->compare('last_ip',$this->last_ip,true);
		$criteria->compare('email',$this->email,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
		));
	}
        
        
        /****************新增***************/
        private $salt = 'srUU';
        /**
	 * Checks if the given password is correct.
	 * @param string the password to be validated
	 * @return boolean whether the password is valid
	 */
	public function validatePassword($password)
	{
		return $this->hashPassword($password,$this->salt)===$this->password;
	}
        
	/**
	 * Generates the password hash.
	 * @param string password
	 * @param string salt
	 * @return string hash
	 */
	public function hashPassword($password,$salt)
	{
		return md5($salt.$password);
	}
}